e09
Easy Fix
FlashForge · FDM 3D Printers
Filament Runout - No Filament Detected by Sensor
Quick Answer
Error code E09 on your FlashForge FDM 3D Printers means: Filament Runout - No Filament Detected by Sensor. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check the filament spool to confirm material is remaining
2
If the filament broke, remove the remnant from the PTFE path and extruder
3
Cut a clean tip on the new filament at 45 degrees and load through the sensor
4
Clean the filament sensor with compressed air to clear any debris from the optical path
5
Verify the filament sensor cable is connected to the mainboard
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Replacement filament spool
Replacement filament runout sensor
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